High quality and high efficiency

• The automatic purging assistance and high specification, aluminium heat exchanger make for a lightweight installation.
• Ultra-quiet operation, a small footprint and flexible siting options (including a choice of top or rear flues).

10-year guarantee available

• Free 2-year guarantee out of the box as standard. Extended guarantee available when installed with a Boiler Protection Kit and registered on Advance.

Boiler Plus compliant with Vaillant controls

• Install with the VRT 15, timeSWITCH 160 and VR 66 wiring centre for the easiest way to meet Boiler Plus.

Compact, cupboard fit solution

• A smaller footprint, cupboard fit dimensions and top and rear flue options offer flexibility of siting.

High specification aluminium heat exchanger

• Designed for longer life, easier maintenance, and lower energy bills.

Easy installation and maintenance

• Accessible layout allows all components to be replaced from the boiler front, with removable side panels for even more access.

Flue options (sold separately)

• 60/100 push fit flue system with full range of accessories
• 80/125 flue system option for even longer lengths and installation flexibility

Pneumatic gas and air modulation system

• For precise self-setting gas combustion to improve performance and lower emissions.

4-sided cooling and water agitation of the heat exchanger

• Reducing stress on the heat exchanger for longer life, reliability, and reduced maintenance costs.

	ecoFIT pure 412	ecoFIT pure 415	ecoFIT pure 418	ecoFIT pure 425	ecoFIT pure 430	ecoFIT pure 435
Boiler output	12 kW	15 kW	18 kW	25 kW	30 kW	35 kW
Boiler Ref	0010020400	0010020401	0010020402	0010020403	0010020404	0010020405
Boiler dimensions  (H x W x D)	602 x 375 x 295  mm	602 x 375 x 295  mm	602 x 375 x 295  mm	602 x 375 x 295  mm	602 x 375 x 295  mm	602 x 375 x 295  mm
NOx (En 15502-2-1)	32 mg/kWh	33 mg/kWh	39 mg/kWh	39 mg/kWh	40 mg/kWh	32 mg/kWh
ErP efficiency (heating / DHW)	A	A	A	A	A	A
ErP efficiency	94 %	94 %	94 %	94 %	94 %	93 %
ErP decibel rating (sound power)	45 dB(A)	48 dB(A)	51 dB(A)	52 dB(A)	55 dB(A)	55 dB(A)
Nominal heat output range at 50/30˚C (condensing mode)	4.7 - 12.8  kW	4.7 - 15.9  kW	5.2 - 19.1   kW	6.4 - 26.5   kW	7.4 - 31.8 kW	7.0 - 35.8 kW
Nominal heat output range at 80/60˚C (non condensing mode)	4.5 - 12.2 kW	4.5 - 15.2   kW	5.0 - 18.3 kW	6.1 - 25.4 kW	7.1 - 30.2  kW	7.2 - 34.8 kW
Flow temperature range	10 - 80 ˚C	10 - 80 ˚C	10 - 80 ˚C	10 - 80 ˚C	10 - 80 ˚C	10 - 80 ˚C
Heat exchanger material	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium
Gas inlet connection (pipe size)	15 mm	15 mm	15 mm	15 mm	15 mm	15 mm
Heating flow and return connections (pipe size)	22 mm	22 mm	22 mm	22 mm	22 mm	22 mm